Author: kbrunlag

The sensor data and network statistics generated by the network are parsed, transfered, stored and displayed using SolSystem. The SolSystem is separated in two agents, the solmanager, running on the RaspberryPi that is in the fields, and the solserver that runs in Inria servers in Paris. To ease the maintenance,…

Carlos came to pick us up at the hotel and we all went in direction of the Inta in Junin where the peach tree are. In an hour, all the new motes were deployed and fully working ! We then attached the EC5 sensor to a mote in the center…

The network is currently depending on three “long-range” Dust motes that form a non-redundant path. We have to add motes to improve the network resilience to failure. Today’s goal is thus to prepare the boxes for the new motes and plan tomorrow’s deployment in Junin. We will also take advantage…

To measure Temperature and Humidity at 4 different height, we use 4 SHT31-D Adafruit board. The communication with the board is done with I2C. Because the board allows only two addresses, we toggle the address pin of the different board on after the other. If we want to communicate with…

To measure the soil moisture we are using the GS1 and EC5 from the Decagon company. Those two sensors measure Volumetric Water Content and return an analog value between 1V and 2.5V. GS1 Manual http://publications.decagon.com/Manuals/14640_GS1_Web.pdf Due the power consumption of the moisture sensor, we developed a digital switch to power…

This year, the first stop of our trip was at Inria-Chile to present the EVA team projects and meet the team. We talked about SnowHow, SmartMarina and of course SaveThePeaches! Check out articles about this meeting: http://inria.cl/experto-en-iot-de-inria-visita-inria-chile/ http://inria.cl/proyecto-smartmarina-reinventa-los-puertos-utilizando-iot/

Our first external temperature+humidity sensors are alive! Until now, the temperature was measured using the board’s internal temperature sensors. And while those temperature sensors are well calibrated, the measurements were not exploitable as the motes are located into water-tight boxes above the orchard, which tend to “heat up” when in…

The paper “(Not so) intuitive results from a smart agriculture low-power wireless mesh deployment” was just presented at the ACM International Conference on Mobile Computing and Networking (MobiCom), Workshop on Challenged Networks (CHANTS). It is now available online: http://dl.acm.org/citation.cfm?id=2979696

Durig this first visit, the UTN Mendoza team went to the deployment site to: Install a “sensor cable” along one of the poles, with four Adafruit SHT31-D temperature and relative humidity sensors. Install a thermal shield around each of the sensors. Connect the sensor cable to to the mote’s pin…